What is KeyValueTextInputFormat in Hadoop MapReduce?
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Which are the methods in the mapper interface?
What is Hadoop Map Reduce ?
What is an identity mapper and identity reducer?
What is the Job interface in MapReduce framework?
Why do we need MapReduce during Pig programming?
What is the purpose of textinputformat?
What is the data storage component used by Hadoop?
What are ‘maps’ and ‘reduces’?
What is the InputSplit in map reduce ?
what are the three modes in which Hadoop can be run?
For a Hadoop job, how will you write a custom partitioner?
What are the advantages of using mapreduce with hadoop?
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